N-[(4aR,6R,8aS)-8a-(5-cyano-2-fluorophenyl)-6-(3-methyl-1,2-oxazol-5-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide → N-[(4aR,6R,8aS)-8a-(5-cyano-2-fluorophenyl)-6-(1-methyl-1H-pyrazol-4-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

HRID 68428Notes

Reaction equation

HRID 68428 reaction equation
Br[C:2]1[CH:3]=[CH:4][C:5]([F:33])=[C:6]([C@:8]23[CH2:17][O:16][C@@H:15]([C:18]4[CH:19]=[N:20][N:21]([CH3:23])[CH:22]=4)[CH2:14][C@H:13]2[CH2:12][S:11][C:10]([NH:24][C:25](=[O:32])[C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)=[N:9]3)[CH:7]=1.[C:34](C1C=CC(F)=C([C@]23CO[C@@H](C4ON=C(C)C=4)C[C@H]2CSC(NC(=O)C2C=CC=CC=2)=N3)C=1)#[N:35]>>[C:34]([C:2]1[CH:3]=[CH:4][C:5]([F:33])=[C:6]([C@:8]23[CH2:17][O:16][C@@H:15]([C:18]4[CH:19]=[N:20][N:21]([CH3:23])[CH:22]=4)[CH2:14][C@H:13]2[CH2:12][S:11][C:10]([NH:24][C:25](=[O:32])[C:26]2[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=2)=[N:9]3)[CH:7]=1)#[N:35]

Participants

3

Reactant 2

HCID 86762656N-[(4aR,6R,8aS)-8a-(5-cyano-2-fluorophenyl)-6-(3-methyl-1,2-oxazol-5-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamideHCID 86762665N-[(4aR,6R,8aS)-8a-(5-bromo-2-fluorophenyl)-6-(1-methyl-1H-pyrazol-4-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

Product 1

HCID 86762666N-[(4aR,6R,8aS)-8a-(5-cyano-2-fluorophenyl)-6-(1-methyl-1H-pyrazol-4-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide

Procedure

N-[(4aR,6R,8aS)-8a-(5-Bromo-2-fluorophenyl)-6-(1-methyl-1H-pyrazol-4-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide (C46) was converted to the product using the method described for synthesis of N-[(4aR,6R,8aS)-8a-(5-cyano-2-fluorophenyl)-6-(3-methyl-1,2-oxazol-5-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide (C37) as in Example 10. The product was obtained as a white solid. Yield: 265 mg, 98%. LCMS m/z 476.2 [M+H+]. 1H NMR (400 MHz, CD3OD) characteristic peaks: δ 8.11 (br d, J=7.4 Hz, 2H), 7.98 (br s, 1H), 7.83-7.85 (m, 1H), 7.64-7.67 (m, 3H), 7.54-7.58 (m, 2H), 7.40-7.53 (m, 1H), 4.77 (dd, J=11.4, 2.2 Hz, 1H), 4.25-4.29 (m, 1H), 4.07-4.12 (m, 1H), 3.96 (d, J=11.5 Hz, 1H), 3.84 (s, 3H), 2.93-2.97 (m, 1H), 2.80 (dd, J=13.2, 2.6 Hz, 1H), 2.13-2.120 (m, 1H), 1.97-2.01 (m, 1H).

Workup

  1. customThe product was obtained as a white solid

Sources & evidence

ORD record
ord-b14361d8f8af408f90a7fddf50d2c666
Source dataset
uspto-grants-2014_09
Patent number
US08822456B2

Reaction notes

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